Automatic phasing of MR images. Part I: Linearly varying phase

G. Larry Bretthorst

doi:10.1016/j.jmr.2007.12.010

Automatic phasing of MR images. Part I: Linearly varying phase

G. Larry Bretthorst

Radiology - Radiation Sciences

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

In spin-echo and well shimmed gradient-echo images, the phase of the complex image often varies linearly in both the readout and phase-encode directions. Thus, in principle, it is possible to display an image in absorption mode. However, manually determining the two first-order and one zero-order phase parameters needed to display an absorption-mode image is a formidable task. In this paper, the Bayesian calculations needed to automatically determine these parameters are presented, and the calculations are illustrated using spin-echo images.

Original language	English
Pages (from-to)	184-192
Number of pages	9
Journal	Journal of Magnetic Resonance
Volume	191
Issue number	2
DOIs	https://doi.org/10.1016/j.jmr.2007.12.010
State	Published - Apr 1 2008

Keywords

Absorption-mode images
Bayesian probability theory
Frequency estimation
Zero- and first-order phase estimation

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KW - Bayesian probability theory

KW - Frequency estimation

KW - Zero- and first-order phase estimation

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Automatic phasing of MR images. Part I: Linearly varying phase

Abstract

Keywords

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